function views_rss_plugin_style_fields::validate in Views RSS 7.2

Same name and namespace in other branches

1. 6.2 views/views_rss_plugin_style_fields.inc \views_rss_plugin_style_fields::validate()

Make sure the display and all associated handlers are valid.

Overrides views_plugin_style::validate

File

views/views_rss_plugin_style_fields.inc, line 341

Extends the view_plugin_style class to provide new RSS view style.

Class

views_rss_plugin_style_fields

@file Extends the view_plugin_style class to provide new RSS view style.

Code

function validate() {
  parent::validate();
  $errors = array();
  $channel_elements = views_rss_get('channel_elements');
  $item_elements = views_rss_get('item_elements');
  if (empty($channel_elements) && empty($item_elements)) {
    $errors[] = t('You have not enabled any modules providing feed elements. Please enable at least <a href="@modules_url">Views RSS: Core Elements</a> module.', array(
      '@modules_url' => url('admin/modules', array(
        'fragment' => 'edit-modules-views',
      )),
    ));
  }
  return $errors;
}